TY  - BOOK
AU  - Girlich,E.
AU  - Kovalev,M.M.
AU  - Zaporozhets,A.A.
TI  - Subcones of Submodular Functions: Subclasses of Monge Matrices 
PY  - 1994///
CY  - Magdeburg
PB  - Otto von Guericke Universitat
N1  - bibliogr
ER  -